The Chi -square test involves a statistical comparison between measured (observed) and predicted (expected) values. One generally determines degrees of freedom as _.
A) one less than the number of classes being compared
B) one more than the number of classes being compared
C) ten minus the sum of the two categories
D) the number of categories being compared
E) the sum of the two categories

Question

Quizplus · Accepted Answer

Degrees of freedom in a chi-square test are calculated as one less than the number of categories or classes being compared.

The Chi -Square Test Involves a Statistical Comparison Between Measured